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BOSTON MARATHON 2025

Sydney Moss

Bib: 12513•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 39%
Gender (Female)
#0 / 12228
Top 23%
Division (F18-39)
#0 / 5469
Top 40%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
7:09/mi
22:12
↑ 97↓ 3451.5%
10K· 6.21 mi
7:11/mi
44:32
↑ 79↓ 1380.4%
15K· 9.32 mi
7:21/mi
1:07:23
↑ 67↓ 78
20K· 12.43 mi
7:34/mi
1:30:55
↑ 106↓ 860.1%
Half· 13.11 mi
7:33/mi
1:36:04
↑ 19↓ 370.5%
25K· 15.53 mi
7:50/mi
1:55:03
↑ 66↓ 880.2%
30K· 18.64 mi
8:11/mi
2:20:29
↑ 181↓ 1480.2%
20M
8:19/mi
2:31:47
↑ 64↓ 500.2%
21M
8:49/mi
2:40:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:04/mi
2:46:38
↑ 17↓ 861.7%
23M
8:23/mi
2:57:08
↑ 23↓ 630.6%
24M
8:09/mi
3:05:17
↓ 821.3%
40K· 24.85 mi
8:11/mi
3:12:17
↓ 200.3%
25.2M
9:14/mi
3:15:28
↑ 13↓ 160.2%
Finish· 26.22 mi
7:49/mi
3:23:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:04
Pace7:20 /mi
2nd Half
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
📊Positive Split: 11.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:3622:127:0922:12
7:09
-
10K
6.21 mi11:11:5644:327:1022:20
7:11
+0:02
15K
9.32 mi11:34:471:07:237:1422:51
7:21
+0:10
20K
12.43 mi11:58:191:30:557:1923:32
7:34
+0:13
Half
13.11 mi12:03:281:36:047:205:09
7:33
-0:01
25K
15.53 mi12:22:271:55:037:2418:59
7:50
+0:17
30K
18.64 mi12:47:532:20:297:3225:26
8:11
+0:21
20M
20.00 mi12:59:112:31:477:3511:18
8:19
+0:08
21M
21.00 mi13:08:002:40:367:398:49
8:49
+0:30
35K
21.75 mi13:14:022:46:387:406:02
8:04
-0:45
23M
23.00 mi13:24:322:57:087:4210:30
8:23
+0:19
24M
24.00 mi13:32:413:05:177:438:09
8:09
-0:14
40K
24.85 mi13:39:413:12:177:447:00
8:11
+0:02
25.2M
25.20 mi13:42:523:15:287:453:11
9:14
+1:03
Finish
26.22 mi13:50:503:23:267:467:58
7:49
-1:25

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:09 /mi

Average Pace

7:46 /mi

Slowest Pace

9:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:36:04

47% of race

Time at Steady Pace

1:24:52

42% of race

Time at Slower Pace

22:30

11% of race

Average Pace: 7:46 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:49:3622:127:0922:12
7:09
#9045
10K
6.21 mi11:11:5644:327:1022:20
7:11
#9182
15K
9.32 mi11:34:471:07:237:1422:51
7:21
#9590
20K
12.43 mi11:58:191:30:557:1923:32
7:34
#10014
Half
13.11 mi12:03:281:36:047:205:09
7:33
#10121
25K
15.53 mi12:22:271:55:037:2418:59
7:50
#10513
30K
18.64 mi12:47:532:20:297:3225:26
8:11
#10925
20M
20.00 mi12:59:112:31:477:3511:18
8:19
#10997
21M
21.00 mi13:08:002:40:367:398:49
8:49
#11057
35K
21.75 mi13:14:022:46:387:406:02
8:04
#11096
23M
23.00 mi13:24:322:57:087:4210:30
8:23
#11144
24M
24.00 mi13:32:413:05:177:438:09
8:09
#11168
40K
24.85 mi13:39:413:12:177:447:00
8:11
#11147
25.2M
25.20 mi13:42:523:15:287:453:11
9:14
#11173
Finish
26.22 mi13:50:503:23:267:467:58
7:49
#11158
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi90451390139010472(Top 37%)2107(Top 17%)2107(Top 39%)
10K6.21 mi3.10 mi9182-1371452-621452-629412(Top 33%)1565(Top 13%)1565(Top 29%)
15K9.32 mi3.11 mi9590-4081649-1971649-19710472(Top 37%)2107(Top 17%)2107(Top 39%)
20K12.43 mi3.11 mi10014-4241873-2241873-22411401(Top 40%)2686(Top 22%)2686(Top 49%)
Half13.11 mi0.68 mi10121-1071925-521925-5212177(Top 43%)3038(Top 25%)3038(Top 56%)
25K15.53 mi2.42 mi10513-3922137-2122137-21212589(Top 44%)3443(Top 28%)3443(Top 63%)
30K18.64 mi3.11 mi10925-4122427-2902427-29012725(Top 45%)3673(Top 30%)3673(Top 67%)
20M20.00 mi1.36 mi10997-722510-832510-8312593(Top 44%)3740(Top 31%)3740(Top 68%)
21M21.00 mi1.00 mi11057-602570-602570-6012410(Top 44%)3803(Top 31%)3803(Top 70%)
35K21.75 mi0.75 mi11096-392620-502620-5012703(Top 45%)3986(Top 33%)3986(Top 73%)
23M23.00 mi1.25 mi11144-482690-702690-7012591(Top 44%)4040(Top 33%)4040(Top 74%)
24M24.00 mi1.00 mi11168-242743-532743-5312249(Top 43%)3919(Top 32%)3919(Top 72%)
40K24.85 mi0.85 mi11147+212768-252768-2511496(Top 40%)3648(Top 30%)3648(Top 67%)
25.2M25.20 mi0.35 mi11173-262802-342802-3413110(Top 46%)4529(Top 37%)4529(Top 83%)
Finish26.22 mi1.02 mi11158+152832-302832-3011581(Top 41%)3734(Top 31%)3734(Top 68%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 37%
×21story building
+97ft-345ft

Overall

10472

Females

2107

F18-39

2107

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

9412

Females

1565

F18-39

1565

10K→15K

6.2 - 9.3 mi

Top 37%
×3story building
+67ft-78ft

Overall

10472

Females

2107

F18-39

2107

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

11401

Females

2686

F18-39

2686

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

12177

Females

3038

F18-39

3038

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

12589

Females

3443

F18-39

3443

25K→30K

15.5 - 18.6 mi

Top 45%
×9story building
+181ft-148ft

Overall

12725

Females

3673

F18-39

3673

30K→20M

18.6 - 20.0 mi

Top 44%
×5story building
+64ft-50ft

Overall

12593

Females

3740

F18-39

3740

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12410

Females

3803

F18-39

3803

21M→35K

21.0 - 21.8 mi

Top 45%
×7story building
+17ft-86ft

Overall

12703

Females

3986

F18-39

3986

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12591

Females

4040

F18-39

4040

23M→24M

23.0 - 24.0 mi

Top 43%
×6story building
+12ft-82ft

Overall

12249

Females

3919

F18-39

3919

24M→40K

24.0 - 24.9 mi

Top 40%
×1story
+6ft-20ft

Overall

11496

Females

3648

F18-39

3648

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

13110

Females

4529

F18-39

4529

25.2M→Finish

25.2 - 26.2 mi

Top 41%
×2story building
+22ft-21ft

Overall

11581

Females

3734

F18-39

3734

Passing Analysis

Category:
Athletes Passed
1119
Passed By
3229
Net Change
-2113
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9045
5K → 10K169306-137#9045#9182
10K → 15K60468-408#9182#9590
15K → 20K90512-424#9590#10014
20K → Half9116-107#10014#10121
Half → 25K76468-392#10121#10513
25K → 30K127538-412#10513#10925
30K → 20M98170-72#10925#10997
20M → 21M74134-60#10997#11057
21M → 35K4685-39#11057#11096
35K → 23M96144-48#11096#11144
23M → 24M79103-24#11144#11168
24M → 40K8463+21#11168#11147
40K → 25.2M2955-26#11147#11173
25.2M → Finish8267+15#11173#11158
TOTALS11193229-2113
📊

Passing Visuals

Category:
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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing